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当前位置: 首页 > 文章 > 河南省小石蛾科分类研究(昆虫纲:毛翅目) 河南农业大学学报 1992 (4) 31-34+43
Position: Home > Articles > Hydroptilidae(Insecta:Trichoptera) from Henan Proyince Journal of Henan Agricultural University 1992 (4) 31-34+43

河南省小石蛾科分类研究(昆虫纲:毛翅目)

作  者：
薛银根;罗梅浩;郭线茹
关键词：
毛翅目;小石蛾科;新种;分类
摘  要：
本文报道了采自河南省林县、新安、郑州、宝天曼、信阳等地的小石蛾3属10种,其中宝天尖毛小石蛾 Oxyethira baotianensis,sp.nov.为新种。其余9种为:三带尖毛小石蛾 Oxyethira ecornuta Mor-ton、丹氏小石蛾 Hydroptila dampfi Ulmer、星期四小石蛾 H.thuna Olah、伊朗小石蛾 H.bajgirana Boto、莫氏小石蛾 H.moselyi Ulmer、匙小石蛾 H.cochlearis Xue et Yang、三角小石蛾 H.triangula Xue etYang、缘脉直毛小石蛾 Orthotrichia costalis(curtis)、特氏直毛小石蛾 O.traetti Mosely.确认了Hydropti-la triangularis Wells et Dudgeon和 Hydroptila apiculata Yang et Xue为Hydroptila thuna Olah的两个新的次定同物异名。文中记述了新种的形态特征,并附有生殖器图;编制了河南省小石蛾雄虫检索表。模式标本保存在河南农业大学昆虫标本室。
译  名：
Hydroptilidae(Insecta:Trichoptera) from Henan Proyince
作  者：
Xue Yingen Luo Meihao Guo Xianru (Dept. of plant protection)
关键词：
Trichoptera;;Hydroptilidae;;new species;;Taxonomy
摘  要：
Ten species of hydroptilid caddisflies from Henan province are reported in the present paper,in which,Oxyethira baotianensis sp. nov. is new to science. Others are:Oxyethira ecornuta Morton, Hydroptila dampfi Ulmer,H. thuna Olah,H. hajgirana Boto,H. moselyi Ulmer,h. cochlearis Xue et Yang,H. trianguia Xue et Yang, Orthotrichia costalis (Curtis), O. tragetti Mosely. Hydroptila triangularis Wells et Dodgeon and H. apiculata Yang et Xue are synonymized with H. thuna Olah. The new species is described and illustrated herein. A key to males of Hydroptilidae from Henan province is given. All typespecimens are deposited in the Insect collection of Henan Agricultural University. Oxyethira baotianensis,sp. nov. (Fig. 1-2) Male:Length of anterior wing 2. Omm. Antennae 31-segmented, 17～25 segments darker. Male genitalia (figl)——sternite Ⅶ with short,acute ventral process. Segment Ⅷ tergite and sternite fused; apical margins dorsally and ventrally excised, with no dorso-lateral processes. Segment Ⅸ mostly withdrawn into segment Ⅷ, lower half of segment Ⅸ triangular, almost reaching anterior margin of segment Ⅶ; upper half much shorter than lower, narrow arch-shaped. Postero-lateral processes of segment Ⅸ curved inwards. Tergite X obscure, membranous. Heavily sclerotised subgenital appendages fused basally. Below the subgenital appendages there are two pairs of short,membranous processes, each with a short apical seta. Inferior appendages more or less fused with the ventre of segment Ⅸ, formed a heavily sclerotised, setiferous structure, with its apical margin excised. Aedeagus stout,with two slender titillators arising at midlength and two strongly curved,sclerotised spines arising subapically and apically. This species belongs to the ramosa-group. It closely resembles 0. catula wells et Dudgeon (1990),but can be distinguished based on. (l)aedeagus of the new species with two slender titillators arising at midlength; (2)the new species with no finger-like processes dorso-lateral to the plate formed from fused inferior appendages. Female: Length of anterior wing 2. 5mm, Antennae 24-segmented. Female genitalia (Fig. 2)——Sternite Ⅵ with a short, acute ventral process. Tergite Ⅷ reduced to a narrow arched band, sternite Ⅷ forming a saucer-shaped plate. Tergite Ⅸ free. Tergite Ⅹ with two slender cerci. Internal vaginal structure with an upper and a lower lobe; the latter with a pair of tadpole-shaped processes, and a pair of spines directing caudad. Types: Holotype ♂, Baotianman, Henan, 21-Ⅶ-1992, collected by Wang Hezhong; Allotype ♀,Paratype 1 ♀, collected with holotype.

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